201655880

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{10103}}^1$

素因数の和:10613

約数の個数: 32

約数和(自身を含む): 454680000

約数和(自身を除く): 253024120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 10103, 19960, 20206, 40412, 50515, 80824, 101030, 202060, 404120, 5041397, 10082794, 20165588, 25206985, 40331176, 50413970, 100827940, 201655880]

約数ペア:

[(1, 201655880), (2, 100827940), (4, 50413970), (5, 40331176), (8, 25206985), (10, 20165588), (20, 10082794), (40, 5041397), (499, 404120), (998, 202060), (1996, 101030), (2495, 80824), (3992, 50515), (4990, 40412), (9980, 20206), (10103, 19960)]